# Package com.google.appengine.api.datastore.dev

- Interface Summary
  Interface | Description
  --- | ---
  DatastoreV3 | An interface for an implementation of a local version of the Datastore V3 service.
  HighRepJobPolicy | A policy for high replication job application.

- Class Summary
  Class | Description
  --- | ---
  DatastoreV3Impl | An implementation `DatastoreV3` which wraps a `LocalDatastoreService`.
  DefaultHighRepJobPolicy | An implementation of `HighRepJobPolicy` in which a user-defined percentage of jobs do not apply.
  LocalDatastoreCostAnalysis | Utility class that can calculate the cost of writing (put or delete) a given `Entity`.
  LocalDatastoreService | A local implementation of the Datastore.
  LocalDatastoreV3Service | Provides an implementation of `LocalDatastoreService` that is compatible with API Proxy.
  WriteLatencyAdjuster | `DynamicLatencyAdjuster` that adds the paxos penalty for writes and takes the fact that transactional puts and deletes are super-fast into account.

- Enum Summary
  Enum | Description
  --- | ---
  LocalDatastoreService.AutoIdAllocationPolicy | The set of supported values for autoIdAllocationPolicy, which controls how auto IDs are assigned by put().